<template>
  <div class="app-container">

    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="4">
            <el-input style="width: 95%" v-model="searchObj.name" placeholder="题库名称"></el-input>
          </el-col>
          <el-col :span="4">
            <el-input style="width: 95%" v-model="searchObj.remark" placeholder="题库备注"></el-input>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker
                v-model="createTimes"
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始时间"
                end-placeholder="结束时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                style="margin-right: 10px;width: 100%;"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini"  @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" :disabled="$hasBP('bnt.bank.add')  === false"  size="mini" @click="add">添 加</el-button>
      <el-button class="btn-add" size="mini" :disabled="$hasBP('bnt.bank.remove')  === false" @click="batchRemove()" >批量删除</el-button>
    </div>

	<!-- 列表 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange">
      <el-table-column type="selection"/>
      <el-table-column
        label="序号"
        width="50"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="题库名称"/>
      <el-table-column prop="remark" label="题库备注"/>
      <el-table-column prop="createTime" label="创建时间"/>
      <el-table-column label="操作"  align="center" fixed="right" width="150">
        <template slot-scope="scope">
          <el-button type="primary" :disabled="$hasBP('bnt.bank.update')  === false" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" :disabled="$hasBP('bnt.bank.remove')  === false" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除" />
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <el-dialog title="编辑" :visible.sync="dialogVisible" width="40%" >
      <el-form ref="dataForm" :model="Elrepo"  label-width="100px" size="small" style="padding-right: 40px;">
        <el-form-item label="题库名称" prop="name">
          <el-input v-model="Elrepo.name"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="Elrepo.remark"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<style>
    .search-div {
        padding:10px;border: 1px solid #EBEEF5;border-radius:3px;
    }
    .tools-div {
        margin-top: 10px;padding:10px;border: 1px solid #EBEEF5;border-radius:3px;
    }
</style>
<script>
import api from '@/api/El/elrepo'
const defaultForm = {
  id: '',
  name: '',
  remark:'',
  createTime:'',
  updateTime:''
}
export default {
  data() {
    return {
      listLoading: true, // 数据是否正在加载
      list: null, // banner列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: { // 查询题库封装名称
        name:'',
        remake:'',
      },

      createTimes: [],

      checkAll: false, // 是否全选

      dialogVisible: false,
      Elrepo: defaultForm,
    }
  },
  // 生命周期函数：内存准备完毕，页面渲染成功
  mounted() {
    this.fetchData()
  },

  methods: {
    
    // 加载banner列表数据
    fetchData(page = 1) {
      this.page = page
      if(this.createTimes && this.createTimes.length ==2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }

      api.getPageList(this.page, this.limit, this.searchObj).then(
        response => {
          this.list = response.data.records
          this.total = response.data.total

          // 数据加载并绑定成功
          this.listLoading = false
        }
      )

    },

    // 重置查询表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.createTimes = []
      this.fetchData()
    },

    // 根据id删除数据
    removeDataById(id) {
      // debugger
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => { // promise
        // 点击确定，远程调用ajax
        return api.DeleteUser(id)
      }).then((response) => {
        this.fetchData(this.page)
        this.$message.success(response.message || '删除成功')
      }).catch(() => {
         this.$message.info('取消删除')
      })
    },

    //弹出添加表单
    add(){
      this.dialogVisible = true
      this.Elrepo = {}
    },
	//编辑
    edit(id) {
      this.dialogVisible = true
      api.SelectByID(id).then(response => {
        this.Elrepo = response.data
      })
    },
    
    //添加或更新
    saveOrUpdate() {
        if (!this.Elrepo.id) {
            this.save()
        } else {
            this.update()
        }
    },

    //添加
    save() {
      api.Add(this.Elrepo).then(response => {
        this.$message.success('操作成功')
        this.dialogVisible = false
        this.fetchData(this.page)

      })
    },

    //更新
    update() {
      api.Updata(this.Elrepo).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.fetchData(this.page)
      })
    },
    //批量删除
    handleSelectionChange(selection) {
        console.log(selection)
        this.multipleSelection = selection
    },
      batchRemove(){
        if (this.multipleSelection.length === 0) {
          this.$message.warning('请选择要删除的记录！')
          return
        }
        this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          var idList = []
          this.multipleSelection.forEach(item => {
            idList.push(item.id)
          })
          // 调用api
            return api.DeleteByIds(idList)
          }).then((response) => {
            this.fetchData()
            this.$message.success(response.message)
          })

      },
  }
}
</script>